Home / 13,324.48-19,989.34-11,148.42

Finding the Fourth Proportional to 13,324.48, 19,989.34 and 11,148.42

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Solution

The fourth proportional to 13,324.48, 19,989.34 and 11,148.42 is: 16,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.48 : 19,989.34 = 11,148.42 : x
  2. Step 2: Convert to fraction form
    13,324.48/19,989.34 = 11,148.42/x
  3. Step 3: Cross multiply
    13,324.48x = 19,989.34 × 11,148.42
  4. Step 4: Simplify right side
    13,324.48x = 222,849,557.84
  5. Step 5: Solve for x
    x = 222,849,557.84/13,324.48
  6. Step 6: Final answer
    x = 16,724.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.